Basis of Presentation	9 Months Ended
Sep. 30, 2023
Accounting Policies [Abstract]
Basis of Presentation	1. Basis of Presentation The accompanying consolidated financial statements include the accounts of WW International, Inc., all of its subsidiaries and the variable interest entities of which WW International, Inc. is the primary beneficiary (as discussed below). The terms “Company” and “WW” as used throughout these notes are used to indicate WW International, Inc. and all of its operations consolidated for purposes of its financial statements. The Company’s “Digital” business refers to providing subscriptions to the Company’s digital product offerings, which formerly included Digital 360 (as applicable). The Company’s “Workshops + Digital” business refers to providing unlimited access to the Company’s workshops combined with the Company’s digital subscription product offerings to commitment plan subscribers, including former Digital 360 members (as applicable). It also formerly included the provision of access to workshops for members who did not subscribe to commitment plans, which included the Company’s “pay-as-you-go” members. The Company’s “Clinical” business refers to providing subscriptions to the Company’s clinical product offerings included in its Sequence (as defined below) program. In the second quarter of fiscal 2022, the Company ceased offering its Digital 360 product. More than a majority of associated members were transitioned from the Company’s Digital business to its Workshops + Digital business during the second quarter of fiscal 2022, with a de minimis number transitioning during the beginning of the third quarter of fiscal 2022. The cessation of this product offering and these transitions of former Digital 360 members at the then-current pricing for such product impacted the number of End of Period Subscribers in each business as well as the associated Paid Weeks and Revenues for each business. The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States (“GAAP”) for interim financial information and include amounts that are based on management’s best estimates and judgments. While all available information has been considered, actual amounts could differ from those estimates. These assumptions and estimates may change as new events occur and additional information is obtained, and such future changes may have an adverse impact on the Company's results of operations, financial position and liquidity. The consolidated financial statements include all of the Company’s majority-owned subsidiaries. All entities acquired, and any entity of which a majority interest was acquired, are included in the consolidated financial statements from the date of acquisition. All intercompany accounts and transactions have been eliminated in consolidation. The Company’s operating results for any interim period are not necessarily indicative of future or annual results. The consolidated financial statements are unaudited and, accordingly, they do not include all of the information necessary for a comprehensive presentation of results of operations, financial position and cash flow activity required by GAAP for complete financial statements but, in the opinion of management, reflect all adjustments including those of a normal recurring nature necessary for a fair statement of the interim results presented. The Company evaluates its ownership, contractual and other interests in entities to determine if it has any variable interest in a variable interest entity (“VIE”). These evaluations are complex and involve judgment and the use of estimates and assumptions based on available information. If the Company determines that an entity in which it holds a contractual or ownership interest is a VIE and that the Company is the primary beneficiary, such entity is consolidated in the Company’s consolidated financial statements. The primary beneficiary of a VIE is the party that meets both of the following criteria: (i) has the power to make decisions that most significantly affect the economic performance of the VIE; and (ii) has the obligation to absorb losses or the right to receive benefits that in either case could potentially be significant to the VIE. The Company performs ongoing reassessments of whether changes in the facts and circumstances regarding the Company’s involvement with a VIE will cause the consolidation conclusion to change. The Company operates certain clinical telehealth groups which are deemed to be Friendly-Physician Entities (“FPEs”) and due to legal requirements, the physician-owners must retain 100% of the equity interest. The Company’s agreements with FPEs generally consist of both an Administrative Service Agreement, which provides for various administrative and management services to be provided by the Company to the FPE, and Stock Transfer Restriction (“STR”) agreements with the physician-owners of the FPEs, which provide for the transition of ownership interest of the FPEs under certain conditions. The Company has the right to receive income as an ongoing management fee, which effectively absorbs all of the residual interests, and can also provide financial support through loans to the FPEs. The Company has exclusive responsibility for the provision of all nonmedical services including technology and intellectual property required for the day-to-day operation and management of each of the FPEs. In addition, the STR agreements provide that the Company has the right to designate a person(s) to purchase the equity interest of the FPE for a nominal amount in the event of a succession event at the Company’s discretion. Based on the provisions of these agreements, the Company determined that the FPEs are VIEs due to their equity holder having insufficient capital at risk, and the Company has a variable interest in the FPEs. The contractual arrangements described above allow Sequence to direct the activities that most significantly affect the economic performance of the FPEs. Accordingly, Sequence is the primary beneficiary of the FPEs and consolidates the FPEs under the VIE model. Furthermore, as a direct result of nominal initial equity contributions by the physicians, the financial support the Company can provide to the FPEs (e.g., loans) and the provisions of the contractual arrangements and nominee shareholder succession arrangements described above, the interests held by noncontrolling interest holders lack economic substance and do not provide them with the ability to participate in the residual profits or losses generated by the FPEs. Therefore, all income and expenses recognized by the FPEs are consolidated by the Company. The Company does not hold interests in any VIEs for which the Company is not deemed to be the primary beneficiary. With respect to the Company’s previously announced change in segment reporting, segment data for the three and nine months ended October 1, 2022 has been updated to reflect the new reportable segment structure. See Notes 4 and 14 for disclosures related to segments. These statements should be read in conjunction with the Company’s Annual Report on Form 10-K for fiscal 2022 filed on March 6, 2023, which includes additional information about the Company, its results of operations, its financial position and its cash flows. Revision of Previously Issued Consolidated Financial Statements After the three months ended September 30, 2023, the Company identified misstatements in its accounting for income taxes resulting primarily from the recording of a U.S. deferred tax liability related to a foreign branch of the U.S., partially offset by a U.S. deferred tax asset related to its U.S. leases, that should have been recorded in prior fiscal years. The Company evaluated the misstatements and concluded that the misstatements were not material, either individually or in aggregate, to its current or previously issued consolidated financial statements. To correct the immaterial misstatements, the Company has revised its previously issued consolidated financial statements as of and for the year ended December 31, 2022 and its unaudited consolidated financial statements for the nine months ended October 1, 2022. The revision of the historical consolidated financial statements also includes the correction of other immaterial misstatements that the Company had previously recorded as out-of-period adjustments. The Company had previously determined that these previously identified misstatements did not, either individually or in the aggregate, result in a material misstatement of its previously issued consolidated financial statements and reached the same conclusion when aggregating the previously identified misstatements with the recently identified misstatements. See Note 17 for further information regarding the misstatements and related revisions. The accompanying financial statements and relevant notes to the consolidated financial statements for the periods referenced above in this Quarterly Report on Form 10-Q have been revised to correct for such misstatements. Additionally, the Company will further present the revisions of its previously issued consolidated financial statements and relevant notes to the consolidated financial statements as of and for the year ended December 31, 2022 and prior in connection with the future filing of its 2023 Annual Report on Form 10-K.

Basis of Presentation

9 Months Ended

Sep. 30, 2023

The accompanying consolidated financial statements include the accounts of WW International, Inc., all of its subsidiaries and the variable interest entities of which WW International, Inc. is the primary beneficiary (as discussed below). The terms “Company” and “WW” as used throughout these notes are used to indicate WW International, Inc. and all of its operations consolidated for purposes of its financial statements. The Company’s “Digital” business refers to providing subscriptions to the Company’s digital product offerings, which formerly included Digital 360 (as applicable). The Company’s “Workshops + Digital” business refers to providing unlimited access to the Company’s workshops combined with the Company’s digital subscription product offerings to commitment plan subscribers, including former Digital 360 members (as applicable). It also formerly included the provision of access to workshops for members who did not subscribe to commitment plans, which included the Company’s “pay-as-you-go” members. The Company’s “Clinical” business refers to providing subscriptions to the Company’s clinical product offerings included in its Sequence (as defined below) program. In the second quarter of fiscal 2022, the Company ceased offering its Digital 360 product. More than a majority of associated members were transitioned from the Company’s Digital business to its Workshops + Digital business during the second quarter of fiscal 2022, with a de minimis number transitioning during the beginning of the third quarter of fiscal 2022. The cessation of this product offering and these transitions of former Digital 360 members at the then-current pricing for such product impacted the number of End of Period Subscribers in each business as well as the associated Paid Weeks and Revenues for each business.

The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States (“GAAP”) for interim financial information and include amounts that are based on management’s best estimates and judgments. While all available information has been considered, actual amounts could differ from those estimates. These assumptions and estimates may change as new events occur and additional information is obtained, and such future changes may have an adverse impact on the Company's results of operations, financial position and liquidity. The consolidated financial statements include all of the Company’s majority-owned subsidiaries. All entities acquired, and any entity of which a majority interest was acquired, are included in the consolidated financial statements from the date of acquisition. All intercompany accounts and transactions have been eliminated in consolidation. The Company’s operating results for any interim period are not necessarily indicative of future or annual results. The consolidated financial statements are unaudited and, accordingly, they do not include all of the information necessary for a comprehensive presentation of results of operations, financial position and cash flow activity required by GAAP for complete financial statements but, in the opinion of management, reflect all adjustments including those of a normal recurring nature necessary for a fair statement of the interim results presented.

The Company evaluates its ownership, contractual and other interests in entities to determine if it has any variable interest in a variable interest entity (“VIE”). These evaluations are complex and involve judgment and the use of estimates and assumptions based on available information. If the Company determines that an entity in which it holds a contractual or ownership interest is a VIE and that the Company is the primary beneficiary, such entity is consolidated in the Company’s consolidated financial statements. The primary beneficiary of a VIE is the party that meets both of the following criteria: (i) has the power to make decisions that most significantly affect the economic performance of the VIE; and (ii) has the obligation to absorb losses or the right to receive benefits that in either case could potentially be significant to the VIE. The Company performs ongoing reassessments of whether changes in the facts and circumstances regarding the Company’s involvement with a VIE will cause the consolidation conclusion to change.

The Company operates certain clinical telehealth groups which are deemed to be Friendly-Physician Entities (“FPEs”) and due to legal requirements, the physician-owners must retain 100% of the equity interest. The Company’s agreements with FPEs generally consist of both an Administrative Service Agreement, which provides for various administrative and management services to be provided by the Company to the FPE, and Stock Transfer Restriction (“STR”) agreements with the physician-owners of the FPEs, which provide for the transition of ownership interest of the FPEs under certain conditions. The Company has the right to receive income as an ongoing management fee, which effectively absorbs all of the residual interests, and can also provide financial support through loans to the FPEs. The Company has exclusive responsibility for the provision of all nonmedical services including technology and intellectual property required for the day-to-day operation and management of each of the FPEs. In addition, the STR agreements provide that the Company has the right to designate a person(s) to purchase the equity interest of the FPE for a nominal amount in the event of a succession event at the Company’s discretion. Based on the provisions of these agreements, the Company determined that the FPEs are VIEs due to their equity holder having insufficient capital at risk, and the Company has a variable interest in the FPEs.

The contractual arrangements described above allow Sequence to direct the activities that most significantly affect the economic performance of the FPEs. Accordingly, Sequence is the primary beneficiary of the FPEs and consolidates the FPEs under the VIE model. Furthermore, as a direct result of nominal initial equity contributions by the physicians, the financial support the Company can provide to the FPEs (e.g., loans) and the provisions of the contractual arrangements and nominee shareholder succession arrangements described above, the interests held by noncontrolling interest holders lack economic substance and do not provide them with the ability to participate in the residual profits or losses generated by the FPEs. Therefore, all income and expenses recognized by the FPEs are consolidated by the Company. The Company does not hold interests in any VIEs for which the Company is not deemed to be the primary beneficiary.

With respect to the Company’s previously announced change in segment reporting, segment data for the three and nine months ended October 1, 2022 has been updated to reflect the new reportable segment structure. See Notes 4 and 14 for disclosures related to segments.

These statements should be read in conjunction with the Company’s Annual Report on Form 10-K for fiscal 2022 filed on March 6, 2023, which includes additional information about the Company, its results of operations, its financial position and its cash flows.

Revision of Previously Issued Consolidated Financial Statements

After the three months ended September 30, 2023, the Company identified misstatements in its accounting for income taxes resulting primarily from the recording of a U.S. deferred tax liability related to a foreign branch of the U.S., partially offset by a U.S. deferred tax asset related to its U.S. leases, that should have been recorded in prior fiscal years. The Company evaluated the misstatements and concluded that the misstatements were not material, either individually or in aggregate, to its current or previously issued consolidated financial statements.

To correct the immaterial misstatements, the Company has revised its previously issued consolidated financial statements as of and for the year ended December 31, 2022 and its unaudited consolidated financial statements for the nine months ended October 1, 2022. The revision of the historical consolidated financial statements also includes the correction of other immaterial misstatements that the Company had previously recorded as out-of-period adjustments. The Company had previously determined that these previously identified misstatements did not, either individually or in the aggregate, result in a material misstatement of its previously issued consolidated financial statements and reached the same conclusion when aggregating the previously identified misstatements with the recently identified misstatements. See Note 17 for further information regarding the misstatements and related revisions.

The accompanying financial statements and relevant notes to the consolidated financial statements for the periods referenced above in this Quarterly Report on Form 10-Q have been revised to correct for such misstatements. Additionally, the Company will further present the revisions of its previously issued consolidated financial statements and relevant notes to the consolidated financial statements as of and for the year ended December 31, 2022 and prior in connection with the future filing of its 2023 Annual Report on Form 10-K.